What does it mean to state that two stars are 100 light-years apart?

It means that there are 2 stars that are 100 lightyears away from the earth or away from eachother scientist call these g stars (Yellow-orange "G" stars are among the most common stars seen with the naked eye in Earth's night sky due to their relative abundance. ) There are 512 of these stars the sun is one of them.The following celestial objects are located within 30.7 parsecs, 100 light-years (ly), of Sol.Alpha Centauri A-100 lightyears apart Tau Ceti-100 lightyears apart and the list goes on and on!Please mark Brainliest.!