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This is probably a easy question for a newb. but did I turn off a view toggle somewhere? Because my little arrows on the face, edge, or vertex I've selected is absent. Is there a toggle switch I accidently hit? photo on what I mean below...
What you are looking for are called gizmos. You can turn them on/off in the gizmo menu. In 2.80 these are turned off by default.
Required, but never shown