Psalm 5:3

 "In the morning, O Lord, you hear my voice; in the morning I lay my requests before you and wait in expectation."

​Morning - Period between midnight and noon. Time when many awake for the day.
Hear​ - To be aware of; to know the existence of.
​Voice - Ability to speak; a particular opinion or attitude expressed.
​Lay - Put down especially gently or carefully.
​Requests -Things that are asked for.
​Before - In front of.
​Wait - Stay where one is or delay action until something else happens.
​Expectation - A strong belief that something will happen.
When I awake for the day, O Lord, you are aware of my opinion or attitude that I am expressing. When I awake for the day I gently put down things I am asking for in front of you and stay where I am or delay action in the strong belief that something will happen.
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Psalm 62:6

"He alone is my rock and my salvation; He is my fortress, I will not be shaken."

Alone - No one else; only one
Rock - Solid material, someone extremely strong and reliable
Salvation - Deliverance from harm.
Fortress - Strong place, person not able to be influenced by outside forces.
Shaken - Tremble, move, get rid of, weaken, cause a change of mood.
He (God) only and no one else is someone extremely strong and I can rely on Him and he will deliver me from harm; He is my strong place, He is not influenced by things around me and I won't move or weaken.

John 15:16

" You did not choose Me, but I chose you and appointed you to go and bear fruit - fruit that will last"

Choose/Chose - Pick out or select someone as being the best or most appropriate of two or more alternatives.
Appointed - Decided on beforehand.  Designated.  Assign a job or role to someone.
Bear fruit - Yield positive results.
Last - Endure
I did not pick out Jesus, but He picked me as being the best or most appropriate person and assigned a job to me.  I am to yield positive results (tell others of Him). Results that will last.  If the people I tell about Jesus will believe in Him, they will live forever in Heaven.