I am using Audacity 3.7.5 under Windows 11.
Other sound editing programs I have used display the total length of the current track (as well as the cursor position) prominently, without first requiring selection of the entire track.
Please add this to the UI or at least provide an option to display it.
An easy and intuitive way to do this might be to split the “Time Toolbar” the same way the “Selection Toolbar” is split, with the default to display the cursor position above and the total length below.