Lot (κληρος). Same idea as "part" (μερις), only as a figure.

Matter (λογο). Literally, word or subject (as in Luke 1:4; Acts 15:6), the power of communicating the Holy Spirit. This use of λογος is in the ancient Greek.

Straight (ευθεια). Quotation from Psalm 78:37. Originally a mathematically straight line as in Acts 9:11, then moral rectitude as here.