Find room for popular item like this, after intervention by Director (7)

I believe the answer is:

include

I'm a little stuck... Click here to teach me more about this clue!

But I can't explain it at all! Could you help me understand?

(Other definitions for include that I've seen before include "Comprise; allow to take part" , "Take as part of a group" , "Have within" , "Admit" , "Enclose or comprise as a part" .)

Want a hint initially instead of a full solution? Install my app