This is the meaning of the word Bar'chu.
What is Let us praise?
This is the overall meaning of the Shema.
What is there is only one God?
This is why the Bar'chu is a call and response prayer.
What is a reminder that we all should praise God?
This is when we say the Shema.
What is 1. every day in the morning and evening services, 2. the last prayer of Yom Kippur, and 3. final words before death?
This is why we praise God instead of blessing God.
What is we can't tell God to bless God?
This is where the Shema is from.
What is Deuteronomy (Chapter 6)?
This is what the Bar'chu is telling us.
What are 1. all blessings come from God, and 2. follow God's commandments?
These are the special things we do in the Shema.
This is the translation of the first line of the Bar'chu.
What is "Praise the Lord, who is [to be] praised?"
This is the translation of the first line of the Shema.
What is "Hear O’ Israel, the Lord is our God, the Lord is One?"