sounds are entire track configs, including the samples as well as all parameters. To make a sound out of a sample, load up the sample, assign it to a track, set all params how you want them to be and then save that track’s sound into the sound pool. For saving the track into the soundpool, check the manual for instructions.

Now then, if you have saved the sound to your sound pool, you can easily recall it from any project and even the sample will be added to your project if it’s not already there. Having a sound in the pool also enable using sound locks as stated in the manual.