My Actron multi-meter has ohms scales of "200", "2k", "20k", "200k", "2m", "200M", so you can see how a rookie "electrician" may be confused using the meter. So how many ohms are 1.2? Are we taking about a single ohm, hundreds of ohms, thousands
This explanation is very basic. Not intended to describe ohm's law etc.
When you touch the multimeter leads together you should get 0 ohms (or about there) when they are not touching you should get "OL" or some other wording to indicate that there is so much resistance that electrical flow has stopped like.
0 ohms = no resistance to electrical flow. (Think a wire)
Any value over 0 ohms means the electrical flow is slowed down, or if the resistance value is large enough stopped completely (think a wire that has been cut)
Again this is very basic.
Another way to think about it.
Your garden hose will flow a gallon per minute with no resistance in the hose.
If you kink the hose (resistance) it will flow 1/2 gallon per minute.
If you put a valve on the end and close it (maximum resistance) no water flows
