# people

This refers to the Israelites.

# We will listen to his voice

Here "listen" means to obey. AT: "We will obey everything he tells us to do" (See: [[rc://en/ta/man/translate/figs-metonymy]])

# He put in place decrees and laws

Establishing laws is spoken of as if Joshua physically set them in place like monuments. AT: "He established decrees and laws" or "He gave them laws and decrees to obey" (See: [[rc://en/ta/man/translate/figs-metaphor]])

# the book of the law of God

This appears to be a continuation of the writings of Moses.

# set it up there

"placed it there"