Tights vs. Compression shorts

[NoFear2020]

I am not sure what the difference is.
I thought they were the same.
How can you tell?

ART. 3 . . .
“b. The sleeves/tights shall be black, white, beige or the predominant color of the jersey and the same color sleeves/tights shall be worn by teammates.


“ART. 7 . . . Compression shorts shall be a single solid color similar to the predominant color of the uniform; the length shall be above the knee. Undergarments shall not extend below the pants/skirt. See 3-6 for logo requirements.”