1 on affix
3 in notes
discursive: optional question premarker.
On affix form:
is a part/component/piece/portion/segment of x
is a whole/mass]; x
is partly x
discursive: marks the previous construction as a question, with valid responses being any construction which could replace it without changing the grammar of the overall utterance.
digit/number: pi (approximately 3.1416...); the constant defined by the ratio of the circumference to the diameter of all circles.
discursive: optional answer premarker