Question

what is not considered the scope of a line? amount of line from the bit to the eye of the line on a tow the line you hold in your hand could be 5:1 or 7:1 when anchoring bit to chain in an anchoring situation

Explanation:

The scope of a line in nautical/anchoring context relates to the line from bit to eye (first option), the ratio when anchoring (third option, as scope ratio is part of it), and bit to chain in anchoring (fourth option). The line held in hand is just the part you grip, not the scope (which is about the line's length in relation to anchoring or tow setups).

Answer:

The line you hold in your hand