A pool is a group of posts for any purpose (organization, series, etc.) Public visibility allows all users to add posts to your pool, while private allows just you to manage it.
While in pools, you can create a new pool by clicking the "Create" link in the 3rd level navbar.
While viewing any post, you can simply click on the "Add to Pool" link on the left sidebar and then select your desired pool.
While viewing a pool, you can change the options such as name, visibility, etc by clicking the "Edit" link in the 3rd level navbar.
Note: You must have access to edit the pool for this to work.
While viewing a pool, you can change the order by clicking the "Editor" link in the 3rd level navbar.
To change the order of a pool using drag and drop, select the "Reorder" mode in the dropdown for mode.
To change the order of a pool by editing order number, select the "Manual Reorder" mode in the dropdown for mode.
To delete a post from a pool, select the "Delete" mode in the dropdown for mode.
Note: You must have access to edit the pool for this to work.
While in pools, you can view a list of all pools at any time by clicking "All Pools" in the 3rd level navbar.