This document discusses prepositions of place and time in Indonesian. It provides examples of common prepositions of place like "di samping/di sebelah" meaning "next to", "di antara" meaning "between", "di depan" meaning "in front", and "di belakang" meaning "behind". It also discusses prepositions of time, noting that the preposition "in" is used for months while "on" is used for days for indicating when something occurs. The document concludes by reminding the reader to review the material on prepositions of place and time from both the book and notes.