To retrieve the Color Panel go to the "Window" pulldown menu and choose "Color". The Color Panel should reappear. When you say "…stuck on selector" I assume you mean one of the "Selection Tools". Is it an arrow (black or white)? To draw something first make sure an unlocked layer is active in the "Layers" Panel. Then choose a drawing tool from the "Tools" panel. This could be any of the many drawing tools such as Pen, Line Segment, Ellipse or Rectangle tool. When you hover over the tool panel icons you'll see the tool name along with the keyboard shortcut. Learn the shortcuts so you can quickly choose a tool without going to the tool panel. "P" for Pen Tool, "L" for Ellipse Tool, "M" for Rectangle Tool are just a few. Just type the letter key, no modifier key is required.
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