When, at the time when, after. When the fullness of time had come God sent His Son. God's timing is always right. He never acts too early or too late.

To be, to exist. Eimi. When God names himself I AM, he uses this word. Existence itself belongs to him. Ground your identity in the one who simply is.

Infant, immature, simple-minded. Nḗpios. Paul urges believers to stop being children in their thinking and grow into maturity. Milk has its season, but solid food is the goal. Grow up.

something orderly in arrangement, i.e. (by implication) a serial (basal, fundamental, initial) constituent (literally), proposition (figuratively)

The world, the ordered universe. God so loved the kosmos. He loves what He made and He is working to redeem every part of it.

Enslave, bring into bondage. Douloō. Paul warned that he would not be mastered by anything, for he belonged to Christ alone. What you repeatedly yield to, you serve.