A wedding invitation is a letter sent to a person, asking the recipient to attend a wedding. Wedding invitations can sometimes have fance writing on them known as calligraphy.
Example Usage of invitation
trainerLaura: Yes. RT @PamWyess Leaders: Watch enthusiasm and engagement grow--ASK team members to GET INVOVLED. Personal invitation makes a difference!
AlmiraDella: @DeckyAriesandro jangan lupa bikin christmas invitation yah hehe
pat_ri_cia: Does anybody want/need invitation for Google Wave?