english: You should (from here on) know some of the properties of vectors, quantities which (like force) have a direction in space as well as a magnitude.
non_english: Bilahhi taufik walhidayah Wassalamu’laikum wr. wb kula penjenenagan arwahipun mugu-mugi Maha Agung, ingkang sampun maringi idi palilah punika kanthi