Interpret simple illustrations used in documents

Step 1: Observe the Basic Features

Start by identifying what type of illustration you are looking at. Notice the title, labels, axis values (if any), and legend. Ask yourself: What is being shown? What information is presented visually?

Step 2: Analyse Key Elements

Examine the visual elements carefully:

• Shape and pattern – Are there bars, lines, or sections?
• Proportion – How do different parts compare in size?
• Colour and shading – What do these distinguish?
• Numbers and percentages – What values are labelled?

Step 3: Understand the Message

Before reading the surrounding text, try to interpret what the illustration is saying on its own. Ask: What main idea does this illustration communicate? This builds critical thinking skills.

Step 4: Connect to the Text

Relate what you observed to the written content. The illustration should either support, expand, or summarise the text. If the illustration presents information not in the text, note this separately.

Consider a simple bar chart titled "Monthly Sales at a Dar es Salaam Shop (in TZS)" with these data:

Interpretation:

1. Observe: This is a bar chart showing sales over three months.
2. Analyse: February has the highest bar (750,000 TZS), January lowest (500,000 TZS). The values are in Tanzanian shillings.
3. Message: Sales peaked in February, possibly due to seasonal demand, then dropped in March.
4. Connect to text: If the text discusses marketing strategies, the chart may illustrate the effectiveness of February promotions.

• Always read the title and labels first – they tell you what the illustration shows.
• Look for the main pattern or trend before focusing on details.
• Compare your interpretation with the text to ensure accuracy.
• Simple illustrations make complex information easier to understand.

When you read a newspaper article about maize prices in Mbeya or electricity tariff changes across Tanzania, you will often see pie charts or bar charts. Being able to interpret these simple illustrations helps you understand price trends, compare costs, and make informed decisions – whether you are planning a school project, helping at a family shop, or analysing costs for a small business.