1) Constructing a clue 2) Dropping clues 3) Less than direct 4) Not exactly saying 5) Suggesting indirectly 6) Suggesting subtly 
• (p. pr. & vb. n.) of Hint
Guidelines added to a font to help it print and display more consistently at small sizes. Most fonts contain some form of hinting, ranging from very cursory to very thorough. See Delta hinting.