Walking represents living, and usually means living according to the true things taught to us by the Lord -- to "walk in His ways." When the Lord is pictured walking, it means life itself.

10537. 'And Jehovah said to Moses' means instruction. This is clear from the meaning of 'saying', when Jehovah is the speaker, as instruction, dealt with in the places referred to in 10280, at this point instruction showing that Divine Truth did not reside with the actual nation, which is meant by the command to them to take off their finery, dealt with below.