... a graphical
user interface element known as a radio button. Except
for the one above which is a dummy example, radio buttons are
typically provided in sets. A working set with each button as a
mutually exclusive option for searching is provided below. Notice
that the button to search the Web is already selected as indicated
by the green go-dot at its center.
Here is the Google.network search
engine ready to query the Web. You can change to query inside
a website by clicking on a button other than the one selected for a Websearch.
... the dot that appears in the center of a radio
button when it is selected. It indicates activation of the graphical
user interface... that things are in a state
of readiness: Ready to go. Although the example below, as well as the
one at the top of this page, is a dummy, you can
bring up dot by clicking on it. For working examples in a set see the
Google/.network search engine (page up) and make a
change by selecting a button without a green dot.
FYI: definition of radio
button, what is a radio button, how to change from searching the
Web, example of a radio button, searching inside a website, what
are radio buttons.