Grid Snap = Hold X

Vertex Snap = Hold V

Curve Snap = Select vertex, hold C then hover over the edge you want to snap it to and press MMB to slide.

Angle Snap = In rotation options, listed as discrete rotate, with angle being 'step size'.

Freeze (XForm) = Modify-freeze transformations

Pivot Reposition = Insert key (press again when done)

Pivot Recenter = modify-centre pivot

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