<summary> The feature OpenType name identifier. </summary>
<summary> Execution parameter of the feature. </summary> <remarks> The parameter should be non-zero to enable the feature. Once enabled, a feature can't be disabled again within the same range. Features requiring a selector use this value to indicate the selector index. </remarks>
<summary> The DWRITE_FONT_FEATURE structure specifies properties used to identify and execute typographic feature in the font. </summary>