Here are the possible solutions for they may appear over icons clue
Answer
Clue
Relevancy
halos
Clue
They may appear over icons
They hover over some icons
Definition
HALO, to form a ring of light
viewtodeath
Clue
Watch over and over and over and over again?
apse
Clue
Where icons may be seen
Definition
a rounded extension at the end of a building, esp. at the east end of a church
desktop
Clue
It may be full of icons
Definition
a computer system small enough to use at a desk
rockbottom
Clue
With 133, the name of the band whose members appear in the theme answers. (They disbanded in 2012 after raising millions for literacy, but they're reuniting this weekend for one last concert.)
aches
Clue
They may appear in the long run
Definition
ACHE, to endure a dull lasting pain, also AKE
athletes
Clue
They may appear in a bowl
Definition
ATHLETE, a competitor in contests of strength and speed, also ATHLETA
