Don't dry clean
Do not dry clean
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A circle with a cross though it on clothes means do not dry clean. If there is a triangle with a cross it means do not use bleach.
In Christianity the cross is a symbol for Jesus and the dove is a symbol for the Holy Spirit.
A circle with a slash through it means no or none in medical documentation.
It means somebody drew (or printed) a circle with a cross on it.To find out what it means on any specific map, you should consult the key and/or legend, which should tell you what each of the symbols mean.
You may mean the symbol for male, if so then the symbol for female is a circle patch with a cross.
Circle with a line through it is square yards, a square with a line through it is square feet
not equal to
Not =
If you mean a line that gous from the center of a circle to the edge of the circle, that is a radius.
The cross signifies the listed person is missing in action. When their remains are recovered, identified and repatriated to their family, the cross is changed to a diamond.