1) Loose 2) Loosen 3) Loosen a lightbulb 4) Loosen by turning 5) Remove a light bulb 6) Take the top off 7) Turn left, often 1) Open 2) Unfasten 
• (v. t.) To draw the screws from; to loose from screws; to loosen or withdraw (anything, as a screw) by turning it.
[v] - loosen by turning 2. [v] - loosen something by unscrewing it
to draw or loosen a screw from (a hinge, bracket, etc.). · to unfasten or withdraw by turning, as a screw or lid. · to open (a jar, bottle, etc.) by turning the lid or cover.