Idea of Ok Icon
There is a check mark, which is placed in the middle of a larger circle. The check mark looks similar to a reversed L, and is slanted so that the point where the two lines of the L meet is the lowest point. It is a standard check mark.
This is the Ok icon for Windows 10
. Here we go. Optimized for 32x32 px, these are the simplest icons in the line style. Downloadable formats are PNG and SVG, among others. Icons8 icon pack is unique in providing a huge number of icons designed by the same team of four designers who create the new icons every working day in the same style and with the same quality. Same cool as the Bat Face, huh.