General Information:

Moses speaks a poetic song to the people of Israel. (See: rc://en/ta/man/jit/writing-poetry)

Call to mind ... think about ... your father ... show you ... your elders ... tell you

Moses speaks to the Israelites as if they were one man, so the words "you" and "your" here are singular. (See: rc://en/ta/man/jit/figs-you)

This is an idiom. Alternate translation: "Remember" (See: rc://en/ta/man/jit/figs-idiom)

Moses wants the people of Israel to focus on their history as a nation.

"days of long ago." Moses refers to the time period when the ancestors of the people of Israel were alive.

"he will make it clear to you" or "he will enable you to understand it"