King James Version, Updated™

KJV:   1 And the LORD spake unto Moses and unto Aaron, saying,

KJVu: 1 The LORD spoke to Moses and to Aaron, saying,

KJV:   2 Take the sum of the sons of Kohath from among the sons of Levi, after their families, by the house of their fathers,

KJVu: 2 "Take a census of the sons of Kohath from among the sons of Levi, by their families, by the house of their fathers,

KJV:   3 From thirty years old and upward even until fifty years old, all that enter into the host, to do the work in the tabernacle of the congregation.

KJVu: 3 from 30 years old and up to 50 years old, all that enter the service, to do the work in the tabernacle of the congregation.

Notes: "Host" highlighted in the KJV verse is Strong’s H6635 with a Strong’s Exhaustive Concordance definition of "appointed time, army, battle, company, host, service, soldiers, waiting upon, -|- Or (feminine) tsbadah {tseb-aw-aw'}; from tsaba'; a mass of persons (or figuratively, things), especially reg. Organized for war (an army); by implication, a campaign, literally or figuratively (specifically, hardship, worship) — appointed time, () army, () battle, company, host, service, soldiers, waiting upon, war(-fare)."

KJV:   4 This shall be the service of the sons of Kohath in the tabernacle of the congregation, about the most holy things :

KJVu: 4 This shall be the service of the sons of Kohath in the tabernacle of the congregation, the most holy things ;

KJV:   5 And when the camp setteth forward, Aaron shall come, and his sons, and they shall take down the covering vail, and cover the ark of testimony with it :

KJVu: 5 When the camp prepares to set out on its journey, Aaron shall come, and his sons, and they shall take down the covering veil, and cover the ark of testimony with it ;

Notes: "Forward" highlighted in the KJV verse is Strong’s H5265 with a Strong’s definition of "to pull out or up, set out, journey."

KJV:   6 And shall put thereon the covering of badgers' skins, and shall spread over it a cloth wholly of blue, and shall put in the staves thereof.

KJVu: 6 Then they shall put on it the covering of badger skins, and shall spread over it a cloth entirely of blue, and shall put in its poles.

Notes: "Wholly" highlighted in the KJV verse is Strong’s H3632 with a Strong’s definition of "entire, whole, a holocaust."