Natah means to stretch out, extend, incline, or turn. It appears about 215 times. It describes stretching out a hand (in power or judgment), extending a tent, and inclining or turning in a direction.
God 'stretches out' His arm to deliver — the outstretched arm of the Exodus became a recurring motif of divine power. God also 'stretches out' the heavens in creation (Isaiah 40:22). The human response is to 'incline' one's heart toward God's testimonies.