Please be so kind as to read my full post before responding. Thank you for your consideration. I am not quite sure where to put this, so I am posting it as a PowerApps Idea.
In PowerApps formulas literal strings "some string" are different from names of Data Sources, Option Sets, Fields 'Accounts' etc.
PowerApps highlights Collections, DataSources, Variables etc with color
"PowerApps highlights the disambiguation with [@] ...
Here's a screenshot of a sample formula from PowerApps: And here's an attempt to show the same formula inside this post