I agree with all except using the default date LR convention. if your are one to organize you mind around dates fine. if 1/2/14 tells you these are the photos of the XYZ zoo trip, no problem. If not the dates are of little value and you need to use a pile of keywords and searchs to find pics. In essence, the left LR pane becomes of little to no visual use. If those directory names use words and dates they become visually useable.

There are many youtube videos that discuss taking the time to construct a directory/naming convention that makes sense to the user doing the work. And most steered you away from the dates.



Trivial ex:
2014
.> a zoo 1-2-14
.> Jones Shot 1-5-14
.> Maine Vacation 1-12-14
.
.
.
2015
.> a zoo 1-5-15
.< smith wedding 2-12-15

Which looks more readable in the left pane than a series of dates? If the years are top directories you can expand and collapse at will. Use keywords but mostly to dial into locating more specific pictures - zoo/elephant/water.

Don't mean to harp but more time you put into defining your library structure, the easier it will be work the tool.

You can go into the Library module, go into folders on the left side, right click on each folder you want to remove from LR. This removes the folder from LR but not from your hard drive. The above advice to then organize your photos into folders should be followed. Then while still in the Library module import the folders that you want in LR. Hope this helps. You don't need to import all your photos into LR as the first prompt when you first open LR wants you to. Of course if you remove a folder from LR then you do lose all the changes you made in LR unless you have saved the files as jpeg, etc. :-(