Lesson Notes By Weeks and Term v3 - Senior Secondary 2
Computer graphic design
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Computer graphic design
Download the Lessonotes Mobile Nigeria 2025 app for faster lesson access on Android and iPhone.
Subject: Visual Art
Class: Senior Secondary 2
Term: 1st Term
Week: 8
Theme: Applied Design
This page supports the lesson note with a companion video and a short classroom-ready summary.
For class groups and homework, share this lesson page so learners also get the summary, objectives, and full lesson context.
Draw Corel Draw to ols in the ir notes; Identify and label the to ols.
A. Introduction to Computer Graphic Design: Computer graphic design involves creating visual content using specialized software on a computer. It encompasses various forms like logo design, typography, web design, print design, and digital illustration. Unlike traditional art forms, computer graphic design offers precision, scalability, and ease of modification, making it indispensable in modern visual communication.
B. CorelDraw as a Vector Graphics Editor: CorelDraw is a popular vector-based graphic design software. Vector graphics are images that use mathematical equations to define lines, shapes, and colors, rather than pixels. This means vector images can be scaled to any size without losing quality or becoming pixelated (blurry), making them ideal for logos, illustrations, and print materials.
C. The CorelDraw Interface (Brief Overview): While a detailed exploration of the interface will come later, it is important for students to know that CorelDraw, like most graphic design software, has several key areas: Menu Bar: Contains standard file, edit, view, and tool options.
Standard Toolbar: Quick access to common commands like New, Open, Save, Print.
Property Bar: Changes dynamically to show options relevant to the currently selected tool or object.
Toolbox: The main focus of this lesson, containing various tools for drawing, editing, and manipulating objects.
Drawing Page: The main area where designs are created.
Docker Windows/Palettes: Side panels for various settings (e.g., Object Manager, Color Palettes).
D. CorelDraw Tools: Identification, Icons, and Functions: The toolbox is a vertical bar usually located on the left side of the CorelDraw interface, containing a variety of tools. Each tool has a unique icon that visually represents its function. Teachers should encourage students to observe these icons closely and sketch them. Here are some fundamental CorelDraw tools, their typical icons, and primary functions:
1. Pick Tool: Icon: A black arrow cursor (similar to a standard mouse cursor).
Function: This is the most frequently used tool. It is used to select, position, and transform objects. This includes moving objects, resizing them, rotating them, and skewing them. It can select single or multiple objects. Nigerian Context
Example: Used to select a logo for a local "Mama Put" restaurant to move it to a better position on a flyer, or to resize a map of Nigeria being used in an educational infographic.
2. Shape Tool: Icon: An arrow pointing to a small square or node.
Function: Used to edit the shape of objects by manipulating their nodes (anchor points on a path). It can convert lines to curves, break curves, and adjust curves. It's essential for detailed shape modification, especially for vector objects. Nigerian Context
Example: Used to fine-tune the curves of an 'adire' pattern drawn with lines, or to reshape the specific lines of a stylized eagle in a national emblem design.
3. Crop Tool: Icon: A rectangle with two intersecting diagonal lines, or an icon resembling a pair of scissors cutting a rectangular area.
Function: Used to remove unwanted areas of an image or object. It defines a rectangular region, and anything outside that region is discarded. Nigerian Context
Example: Used to trim a photograph of a market scene to focus only on a specific vendor, or to remove excess background from an image of a traditional Nigerian carving.
4. Zoom Tool: Icon: A magnifying glass with a '+' sign (for zooming in) or a '-' sign (for zooming out).
Function: Allows the user to magnify or reduce the view of the drawing page. Essential for detailed work or viewing the overall layout. Nigerian Context
Example: Used to zoom in to add fine details to a pattern on a Yoruba talking drum illustration, or to zoom out to see how an entire 'ankara' fabric design fits on the page.
5. Freehand Tool: Icon: A pen nib or a wavy line. Often grouped with other drawing tools like 2-Point Line, Bezier, Pen, B-Spline, Polyline.
Function: Used to draw freeform lines and curves directly on the drawing page as if drawing with a pen or pencil. It's good for quick sketches or organic shapes. * Nigerian Context
Example: Used to quickly sketch a rough fine details to a pattern on a Yoruba talking drum illustration, or to zoom out to see how an entire 'ankara' fabric design fits on the page.
5. Freehand Tool: Icon: A pen nib or a wavy line. Often grouped with other drawing tools like 2-Point Line, Bezier, Pen, B-Spline, Polyline.
Function: Used to draw freeform lines and curves directly on the drawing page as if drawing with a pen or pencil. It's good for quick sketches or organic shapes. Nigerian Context
Example: Used to quickly sketch a rough outline of a calabash or to draw a flowing river in a landscape illustration.
6. Artistic Media Tool: Icon: A paintbrush with a squiggly line, or a brush-like icon.
Function: Applies preset brush strokes, calligraphic effects, or spray object effects along a path. It can create various artistic lines and decorative effects. Nigerian Context
Example: Used to add a calligraphic touch to a title for a cultural event poster (e.g., "Igbo Cultural Festival"), or to apply a leafy pattern along a path for a border design.
7. Rectangle Tool: Icon: A simple rectangle.
Function: Used to draw squares and rectangles. Holding down the Ctrl key while drawing creates a perfect square. Nigerian Context
Example: Used to create the basic shape for a business card design for a local tailor, or to design borders for certificates of participation in a school competition.
8. Ellipse Tool: Icon: A simple oval or circle.
Function: Used to draw circles and ellipses (ovals). Holding down the Ctrl key while drawing creates a perfect circle. Nigerian Context
Example: Used to create round buttons for a website mockup for a Nigerian e-commerce store, or to design circular emblems or badges for a school sports team.
9. Polygon Tool: Icon: A five-sided polygon.
Function: Used to draw polygons (shapes with multiple straight sides) and stars. The property bar allows users to adjust the number of sides or points. Nigerian Context
Example: Used to create star shapes for a national flag design (if using a different country's flag for practice), or to create unique geometric patterns inspired by traditional African textiles.
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0. Text Tool: Icon: A capital 'A' (sometimes with a text cursor).
Function: Used to add artistic text (for headlines and short phrases) and paragraph text (for larger blocks of text) to a design. It allows for formatting text, choosing fonts, sizes, and colors. Nigerian Context
Example: Used to type the name of a school for a yearbook cover, or to add promotional slogans for a product like "Pure Nigerian Honey" to a label design.
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1. Interactive Fill Tool: Icon: A square with a gradient going through it (often black to white).
Function: Applies various fill types (uniform, fountain/gradient, pattern, texture) to objects and allows for interactive adjustment of the fill parameters. Nigerian Context
Example: Used to create a smooth color transition for a sunset background in a landscape illustration depicting a Nigerian village, or to add a subtle pattern to a uniform color fill for a brochure.
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2. Eyedropper Tool: Icon: A dropper or pipette.
Function: Used to sample colors from any object on the drawing page (or even outside CorelDraw) and then apply that exact color to another object using the Paint Bucket tool (which is usually paired with it). Nigerian Context
Example: Used to pick the exact shade of green from the Nigerian flag to use in another design, or to match the color of a specific fabric pattern in a photo for a new design.
Phase 1: Introduction and Engagement (10 minutes)
Teacher Activity: Begins by briefly recapping the previous lesson (e.g., traditional graphic design tools like stencils, rulers, compasses). Introduces the concept of "computer graphic design" as a modern evolution, highlighting its relevance in today's digital world in Nigeria (e.g., social media, advertising).
Poses a question: "What digital images or designs have you seen lately that you think might have been created using a computer?" (e.g., logos on buses, flyers for concerts, product packaging). Explains that this lesson will focus on understanding the basic tools of a popular graphic design software called CorelDraw.
Student Activity: Participate in the recap and discussion. Share examples of digital designs they've encountered. Listen attentively to the introduction of computer graphic design and CorelDraw.
Phase 2: Tool Identification and Sketching (30 minutes)
Teacher Activity: If available, projects a screenshot of the CorelDraw interface, specifically highlighting the "Toolbox" on the left. If not, draws a simplified toolbox layout on the chalkboard, emphasizing placeholder areas for icons. Introduces each of the key CorelDraw tools one by one (Pick Tool, Shape Tool, Crop Tool, Zoom Tool, Freehand Tool, Artistic Media Tool, Rectangle Tool, Ellipse Tool, Polygon Tool, Text Tool, Interactive Fill Tool, Eyedropper Tool).
For each tool: Displays or draws its icon clearly. Explains its primary function using simple language and a relevant Nigerian example. Demonstrates (if using a projector/computer) or explicitly describes how the tool is used. Instructs students to sketch the icon of each tool in their notes and write down its name and a brief description of its function. Circulates among students, providing individual guidance and checking their sketches.
Student Activity: Observe the CorelDraw interface/chalkboard drawing. Carefully sketch the icon of each tool as introduced by the teacher. Write the name of the tool and its primary function next to the sketch in their notes. Ask clarifying questions about tool icons or functions.
Phase 3: Deepening Understanding and Application (15 minutes)
Teacher Activity: Leads a question-and-answer session to reinforce understanding. Presents scenarios and asks students which tool would be most appropriate. E.g., "If you wanted to change the color of a company logo, which tool would you use after selecting it?" (Answer: Fill tool, though not specifically listed, it's a common follow-up to Eyedropper/Pick). Or, "To write the name of your school on a poster, what tool is essential?" (Text Tool). Encourages students to explain why they chose a particular tool, linking it back to the tool's function.
Student Activity: Actively participate in the Q&A session. Explain their reasoning for tool selection in different scenarios. Collaborate with peers to identify tools and their uses.
Phase 4: Wrap-up and Assignment (5 minutes)
Teacher Activity: Summarizes the key tools covered and their importance in graphic design. Assigns independent practice questions for homework or further study. Collects students' notebooks for a quick check of sketches and notes.
Student Activity: Listen to the summary. Note down the assignment. Submit notebooks for review.
Instructions: Teachers should guide students through these questions, encouraging them to refer to their notes and discuss their answers before revealing the solutions.
Question 1: Imagine you are designing a flyer for a local 'Okada' (motorcycle taxi) cooperative in your community. You have drawn a basic motorcycle outline, but you want to refine the sharp corners of the fuel tank to make them smoother. Which CorelDraw tool would you primarily use to adjust these specific points and curves? Describe its icon.
Solution 1: Tool: Shape Tool Icon Description: An arrow cursor pointing to a small square or node on a line.
Commentary: The Shape Tool is specifically designed for manipulating nodes and segments of vector objects, making it ideal for refining curves and points after the initial drawing.
Question 2: Your community is organizing an annual yam festival. You are tasked with designing a promotional poster. You have a beautiful photograph of harvested yams, but there are some distracting elements at the edges of the photo. Which CorelDraw tool would you use to remove these unwanted parts of the image and focus only on the yams?
Solution 2: Tool: Crop Tool
Commentary: The Crop Tool is used to define a specific area of an image that you want to keep, effectively discarding everything outside that selection. This is perfect for trimming photos to improve composition.
Question 3: You've just created a logo for a new 'Suya' spot in your neighbourhood, using various shapes and lines. Now you need to position this logo precisely in the top-left corner of your design page and then make it slightly larger. Which single CorelDraw tool would you use for both selecting the logo and performing these transformations (moving and resizing)?
Solution 3: Tool: Pick Tool
Commentary: The Pick Tool is the versatile selection tool. Once an object is selected, it can be moved by dragging, resized by dragging its corner handles, and rotated using other handles. It's the primary tool for object manipulation.
Question 4: You are working on a design for a 'Kente' fabric pattern. You have drawn several intricate lines and shapes. You want to see the details of a small, complex section very closely to ensure accuracy without affecting the actual size of the artwork. Which CorelDraw tool would you activate to achieve this close-up view? Describe its typical icon.
Solution 4: Tool: Zoom Tool Icon Description: A magnifying glass, often with a plus (+) or minus (-) sign.
Commentary: The Zoom Tool allows for magnification of the viewing area, enabling designers to work on fine details without altering the dimensions of the objects themselves.
Local Business Branding: Students can apply their knowledge of CorelDraw tools to design logos, business cards, and social media graphics for small and medium-sized enterprises (SMEs) in their communities, such as local tailors, hair salons, food vendors, or artisans selling handcrafted goods (e.g., beaded jewelry, pottery). This directly supports local entrepreneurship and community development.
Community Awareness Campaigns: Using tools like the Text Tool, Rectangle Tool, and Pick Tool, students can design educational posters, flyers, or banners for local health campaigns (e.g., malaria prevention, hygiene practices), environmental awareness (e.g., waste management, tree planting), or civic duties (e.g., voter registration, community sanitation drives) initiated by local government or NGOs.
Cultural Event Promotion: CorelDraw tools are invaluable for creating visually appealing promotional materials for cultural festivals (e.g., Durbar, Argungu Fishing Festival, New Yam Festival), traditional ceremonies, or local talent shows. Students can design banners, programme leaflets, or digital invitations incorporating traditional Nigerian motifs and imagery using tools like the Freehand Tool, Artistic Media Tool, and Ellipse Tool.