Moses assembled the entire congregation of Israel by verbally summoning them (see Rashi on Leviticus 35:1).

Moshe conducts a census of the People of Israel by counting each silver half-shekel donated by all men age twenty and over. Moshe is commanded to make a copper sink for the Mishkan

“When you take a census of the Israelites to determine their numbers, each one shall be counted by giving an atonement offering for his life.

The Kohen Gadol's job was to atone for the entire Jewish People and bestow of his benevolent spirit on the entire nation, lovingly.

HaShem instructs Moshe to command the Jewish People to supply pure olive oil for the menorah in the Mishkan (Tabernacle). HaShem also tells Moshe to organize the making of the bigdei kehuna

G-d commanded, “They shall make me a sanctuary and I shall dwell amongst them” (Exodus 28:8). The building of that sanctuary represents the climax of redemption,

G-d commands Moshe to build a Mishkan (Tabernacle) and supplies him with detailed instructions.

In this week’s parashah G-d promises Israel that they will conquer the Land, but that the process of conquest will be gradual:

Rashi comments on the words, “Israel camped opposite the mountain” (Exodus 19:2):

“G-d did not lead them along the Philistine Highway, although it was the shorter route.