Pharaoh took off his signet ring ... gold chain on his neck
All of these actions symbolize that Pharaoh is giving Joseph the authority to do everything that Joseph planned. (See: rc://en/ta/man/translate/translate-symaction)
This ring had Pharaoh's seal engraved on it. This gave Joseph the authority and money needed to carry out his plans.
clothes of fine linen
"Linen" here is a smooth, strong cloth made from the blue-flowered flax plant.
He had him ride in the second chariot which he possessed
This act makes clear to the people that Joseph is second only to Pharaoh. (See: rc://en/ta/man/translate/translate-symaction)
Bend the knee
"Bow down and honor Joseph." To bend the knee and bow down was a sign of honor and respect. (See: rc://en/ta/man/translate/translate-symaction)
Pharaoh put him over all the land
The phrase "put you over" means to give authority. Here "land" refers to the people. See how you translated a similar phrase in Genesis 41:41. AT: "I put you in charge of everyone in Egypt"(See: rc://en/ta/man/translate/figs-idiom and rc://en/ta/man/translate/figs-metonymy)