ref: motivation for --queue and --temp in exp run

rel #2368 (comment)

content/docs/command-reference/exp/run.md

@@ -111,9 +111,12 @@ execution. `dvc exp show` will mark queued experiments with an asterisk `*`.
 > unless a `--rev` is provided (refer to the previous section).
 
 Use `dvc exp run --run-all` to process the queue. This is done outside your
-<abbr>workspace</abbr> (in temporary dirs in `.dvc/tmp/exps`), so you can
-continue working on the project meanwhile (e.g. on another terminal). You can
-run a single experiment outside the workspace with `dvc exp run --temp`.
+<abbr>workspace</abbr> (in temporary dirs in `.dvc/tmp/exps`) to preserve any
+changes between/after queueing runs.
+
+💡 You can also run a single experiment outside the workspace with
+`dvc exp run --temp`, for example to continue working on the project meanwhile
+(e.g. on another terminal).
 
 Adding `-j` (`--jobs`), experiment queues can be run in parallel for better
 performance (creates a tmp dir for each job).