The word "spot" has multiple meanings, including: ^{merriam-webster.com 1 2 3 4}

• A small area of a surface that is different from other areas.
• A small amount of a substance that is on something.
• A small mark or lump on your skin, on the surface of a plant, etc.
• To see or notice someone or something.
• A rounded mark or stain made by foreign matter, as mud, blood, paint, ink, etc.; a blot or speck.
• Something that mars one's character or reputation; blemish; flaw.
• A small blemish, mole, or lesion on the skin or other surface.
• A geographical area that is restricted in extent.
• A location.