What does "que tipos de objectors se encuentran en una ofrenda" mean?

What do people put on a ofrenda, which is something that is put up to celebrate loved ones who passed away

Agame in which two or four players strike a ball with rackets over a net stretched across a court. the usual form (originally called  lawn tennis  ) is played with a felt-covered hollow rubber ball on a grass, clay, or artificial surface.