Three dots or three lines has become the standard way to open or expand a menu on an app. While I was using Chrome browser I found a very useful menu item.
the "add to home screen" menu item allows me to add links to web pages on the desktop, the links sit with the start icons for apps. Some sites don't seem to have a standard app of their own, like Britannica encyclopedia so I created a desktop shortcut to the site that sits next to my Wikipedia app in the same folder. I read both encyclopedias to compare an article or topic for the sake of accuracy.
I am the only person I know of that spends more time reading encyclopedia articles than using social media. I don't spend very much time on social media at all, sometimes I only use social media for 1 minute to share my blogs.