en_obs-sn/content/13/01.md

a mountain called Sinai

Mount Sinai is a mountain that was probably located in the southern part of what is now called the Sinai Peninsula. It was also known as ‘Mount Horeb.’

where Moses had seen the burning bush

God spoke to Moses from a bush that was on fire, but did not burn up (See: 09:12).

set up their tents

The Israelites had to travel a great distance from Egypt to the Promised Land. So they took tents with them so that they could set them up as shelters and sleep in them along the way.