I've got used to shovels that have a pointed blade like this:
which is more or less the right shape for digging ground. Now the very same shovel (same handle, same everything) comes in this design with a rounded blade:
which I'd guess would not stick into soil as well as the pointed one. Still there're plenty of such shovel offerings.
When would I use the latter design (rounded blade) shovel instead of the former design (pointed blade) shovel?