8. LETTERING LETTERING IS THE TERM USED TO DESCRIBE THE TRADITIONAL HANDMADE LETTERS AND NUMBERS ON A DRAWING. TEXT IS THE TERM FOR LETTERING THAT IS DONE USING COMPUTER-AIDED DRAFTING ANNOTATION IS COMMONLY USED IN ARCHITECTURAL CADD APPLICATIONS TO REFER ANY TEXT, NOTES, DIMENSIONS, AND TEXT SYMBOLS ON A DRAWING TEXT STYLE IS A SET OF TEXT CHARACTERS, SUCH AS FONT, HEIGHT,, AND ANGLE

9. LETTERING LETTERING SIZE MINIMUM LETTERING HEIGHT SHOULD BE 1/8” ALL DIMENSION NUMERALS, NOTES, AND OTHER LETTERED INFORMATION SHOULD HE THE SAME HEIGHT EXCEPT FOR TITLES, DRAWING NUMBERS, AND OTHER CAPTIONS TITLES AND SUBTITLES, FOR EXAMPLE, CAN BE 3/16 OR ¼”

10. LETTERING LETTERING LEGIBILITY LETTERING SHOULD BE DARK, CRISP, AND SHARP SO THAT IT IS REPRODUCIBLE INDIVIDUAL LETTERS ARE UNIFORMLY SPACED, WITH APPROXIMATELY EQUAL BACKGROUND AREAS LETTERS SUCH AS I, IV, OR S SHOULD BE SPACED SLIGHTLY FARTHER APART THAN L, A, OR W

11. LETTERING LETTERING LEGIBILITY A MINIMUM RECOMMENDED SPACE BETWEEN LETTERS IS APT PROXIMATELY 1/16” THE SPACE BETWEEN WORDS IN A NOTE OR TITLE SHOULD BE ABOUT THE SAME AS THE HEIGHT OF THE LETTERS THE VERTICAL SPACE BETWEEN THE LINES SHOULD BE A MINIMUM OF ONE-HALF THE HEIGHT OF THE LETTERS.

12. LETTERING HINTS FOR PROFESSIONAL LETTERING ALWAYS USE GUIDELINES, WHICH ARE LIGHTLY DRAWN HORIZONTAL OR VERTICAL LINES SPACED EQUAL TO THE HEIGHT OF THE LETTERS USE A SLIGHTLY ROUNDED POINT ON A MECHANICAL PENCIL LEAD OR A 0.5-MM AUTOMATIC PENCIL WITH H, F, OR HB LEAD PROTECT THE DRAWING BY RESTING YOUR HAND ON A CLEAN PROTECTIVE SHEET USE A STRAIGHTEDGE FOR VERTICAL STROKES