Color Picker and Color panel. There are and non-destructive Adjustments to mix colors: Color Balance, Channel Mixer, Selective Color.
To select all colors in an image using Photoshop, you can use the Magic Wand tool or the Color Range tool. The Magic Wand tool allows you to select similar colors by clicking on a specific color in the image. The Color Range tool lets you select specific colors or tones by adjusting the range and fuzziness settings. These tools can help you easily select and manipulate all colors in your image.
Color Replacement Tool you can use to replace existing colors on image with Foreground color by painting with brush.
Photoshop have Horizontal Type Tool and Horizontal Type Mask Tool which you can use to type text in Photoshop.
To select all colors in Photoshop at once, you can use the Magic Wand tool and set the Tolerance level to 0. This will allow you to select all colors in the image with a single click.
To select specific colors in Photoshop for editing, use the "Color Range" tool. This tool allows you to choose a specific color range in your image by clicking on the color you want to select. You can then make adjustments to the selected color range using the various editing tools in Photoshop.
To isolate colors in Photoshop, you can use the "Select" menu and choose "Color Range." This tool allows you to select specific colors in an image by adjusting the range and fuzziness settings. Once you have selected the desired colors, you can create a new layer or mask to isolate them.
To use the color replacement tool in Photoshop to replace colors in an image, first select the tool from the toolbar. Then, choose the desired replacement color and adjust the tool settings as needed. Next, click and drag over the areas in the image where you want to replace the color. Finally, fine-tune the results by adjusting the tool's settings and opacity as necessary.
You can use the pen tool, quick selection tool and lasso.
You would use the marker/pen/brush tool, or the paint bucket tool.
Photoshop Lightroom does not have such a tool. Anyway you can use external editing software like Photoshop or Photoshop Elements. See related links for more details.
Use the croping tool.
It is question for Photoshop and Illustrator developers, which tool is from which app but Illustrator have Photoshop raster filters, that's for sure.