The collection of books indicated not merely an interest in flying, but an obsession.
Perhaps the number of books in a child's home merely indicates how much money his parents make.
Indeed it is likely that the signature merely indicates ownership.
Your remarks merely indicate what you yourself have in mind.
Often they merely indicate that a relation of some kind is being proposed, but not its character.
She merely indicated the proper door once we reached it.
Kolost said nothing, however, merely indicated that he was ready to begin.
It merely indicates the low opinion you have of yourself.
She merely indicated with her hands that they should follow her.
Here I can merely indicate how an alternative theory might be constructed.