en_tn_condensed/num/10/11.md

In the second year

"In year 2." This refers to the second year after Yahweh brought the Israelites out of Egypt.

in the second month, on the twentieth day of the month

"on day 20 of month 2." This is the second month of the Hebrew calendar.

the cloud was lifted

"the cloud rose up" or "Yahweh lifted the cloud"

the tabernacle of the covenant decrees

The tabernacle was also called by this longer name because the ark with the law of God was placed inside it. See how you translated this in Numbers 1:50.