where we use struct ..

hello frnds…i m new in unity3d …My programing or you can say my concepts is also weak…but i want to become a developer thats why i choose this…line…so plz frnds my question is where we use struct…i also read very definetions of struct…but i can’t…plz with an easy example plz tell me…
Thanku so much in advance …to all of you…for giving me your important time…

Structs are simple, they are similar to classes but usually only contain variables. You can avoid using structs by just using classes instead, not the cleanest way, but that might be more simple to understand if you’re new to coding.