The ellipses or three dots () notation is typically used to indicate that there are more options available. For example, on a menu, they may be used to indicate that more items are available beyond the current selection. On a button, they may be used to indicate that more steps are required to complete an
The enigmatic ellipsis — and why we see it on every UI, by Jason Carlin, Jan, 2021, Medium
Why that subtle “More Icon •••” matters more than you think
Do you REALLY know how to use the ellipsis?, by Diancheng Hu, NYC Design
ui design - UX Pickle
Are Ellipses… fading away?
Significance of the three dots “…” or ellipses in UI design - UX Pickle
Do you REALLY know how to use the ellipsis?, by Diancheng Hu, NYC Design
Significance of the three dots “…” or ellipses in UI design - UX Pickle
Do you REALLY know how to use the ellipsis?, by Diancheng Hu, NYC Design
gui design - What is the significance of the three dots on menus and buttons and how to use them right? - User Experience Stack Exchange