In addition to the measurement symbols, one symbol you must always be aware of when using a multimeter is the Ground (GND) ...

The symbol for the unit of resistance ... would deflect the needle to its maximum. Digital multimeters with LED displays were introduced in the 1970s, and today most multimeters are digital.

A manual range multimeter requires the user to select the range of the value being tested (200Ω, 20kΩ, 200kΩ, etc).