For developers and technical readers, "11" often points to , which covers Options and Extensions .
In international development, "PNG" often stands for , and "11" refers to Sustainable Development Goal 11: Sustainable Cities and Communities . 11.png
: This chapter details optional features that enhance a PNG file without affecting its core image display, such as text annotations (tEXt chunks), timestamps, and background colors. For developers and technical readers, "11" often points