What is the difference?

con·text
/ˈkäntekst/
noun
the circumstances that form the setting for an event, statement, or idea, and in terms of which it can be fully understood and assessed.
"the decision was taken within the context of planned cuts in spending"
Similar:
circumstances
conditions
surroundings
factors
state of affairs
situation
environment
milieu
setting
background
backdrop
scene
climate
atmosphere
ambience
mood
feel
frame of reference
contextual relationship
text
subject
theme
topic
the parts of something written or spoken that immediately precede and follow a word or passage and clarify its meaning.
"word processing is affected by the context in which words appear"

You can catch a picture of anyone raising their arm at some point in their life. What Musk did was some kind of salute, we all know the difference.

The context. The context is the diffrence.

They love totalitarian government