en_tn_condensed/psa/016/005.md

my chosen portion

Here David speaks of Yahweh as if he were a portion of land that has been given to him. (See: rc://en/ta/man/translate/figs-metaphor)

my cup

Here David speaks of Yahweh as if he were a cup that contains many blessings. Alternate translation: "the one who blesses me" (See: rc://en/ta/man/translate/figs-metaphor)

You hold onto my lot

"You determine my future" or "You control what will happen to me"