Crossword puzzle clue "where this answer is grid wise"

Where this answer is, grid-wise

Answer, when pointing to this answer, to the question "Which letters answer this clue?"

How the answer to this clue goes in the grid

Using both sides with equal frequency (like the letters in this puzzle's answer grid?)

Cute spherical character in "The Force Awakens" demonstrated in this grid (not counting this answer)

Briefly, one is aptly placed in the grid in the answer to each starred clue

Mischief-makers (you'll find seven of them in the answer grid)

16 of these are hidden in the answer grid, each reading left, right, up, down or diagonally in an unbroken straight line