'Express' in the Bible

“My words will express the uprightness of my heart,And my lips will speak what they know with utter sincerity.

For He established a testimony (a specific precept) in JacobAnd appointed a law in Israel,Which He commanded our fathersThat they should teach to their children [the great facts of God’s transactions with Israel],

For every head is [shaven] bald and every beard cut off; there are cuts (slashes) on all the hands and sackcloth on the loins [all expressions of mourning].