2.1 Introduction to Drawing

• Importance of drawing as a means of communication
• Meaning of artistic drawing
• Meaning of technical drawing
• Distinguishing artistic and technical drawings used in technical fields
• Printing letters of the alphabet as used in drawing
• Printing numbers as used in drawing
• Types of lines: thick continuous and thin continuous, and their application
• Types of lines: dashed and chain, and their application
• Symbols used in drawing: diameter, centre line, radius, perpendicular, square
• Abbreviations used in drawing: DRG, A/F, A/C, I/D, O/D

• explain the importance of drawing as a means of communication
• distinguish between artistic and technical drawings used in technical fields
• print numbers and letters of the alphabet as used in drawing
• draw types of lines used in drawing
• illustrate symbols and abbreviations used in drawing
• appreciate the role of drawing in communication

“How are drawings used in technical communication?”

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1. Drawing as a means of communication
   40 min · 1 practice tasks · quiz
   Why drawing is a language for making and teaching, answering how drawings are used in technical communication.
2. Artistic drawing
   40 min · 1 practice tasks · quiz
   Meaning of artistic drawing: feeling, beauty and story, and how it differs in purpose from a making plan.
3. Technical drawing
   40 min · 1 practice tasks · quiz
   Meaning of technical drawing as information for making: outlines, sizes, line types and notes.
4. Distinguishing artistic and technical drawings
   40 min · 1 practice tasks · quiz
   Sorting drawings used in technical fields from artistic drawings by purpose, look and who uses them.
5. Printing letters of the alphabet
   40 min · 1 practice tasks · quiz
   Printing upright capital letters on guidelines as used in technical drawing, not joined handwriting.
6. Printing numbers as used in drawing
   40 min · 1 practice tasks · quiz
   Printing 0-9 at the same height as letters so sizes such as 450 stay readable and are not confused with letters.
7. Thick and thin continuous lines
   40 min · 1 practice tasks · quiz
   Drawing thick continuous outlines and thin continuous dimension, extension and hatching lines.
8. Dashed and chain lines
   40 min · 1 practice tasks · quiz
   Drawing dashed lines for hidden detail and chain lines for centres, completing the four Grade 7 line types.
9. Symbols used in drawing
   40 min · 1 practice tasks · quiz
   Illustrating the five Grade 7 symbols: diameter, centre line, radius, perpendicular and square.
10. Abbreviations and the role of drawing
    40 min · 1 practice tasks · quiz
    Illustrating DRG, A/F, A/C, I/D and O/D, and appreciating why this language lets workshops read one another.