Neither, the playable area is the size given when stating pool table size.
There is no regulation bumper pool table size.
A pool table does not have a semi-circle. Only the snooker table has a semi-circle.
A miniature pool table would be considered a toy, not a pool table. Depending upon the size, it could be made of plastic or wood. To choose a size, determine what size you can purchase the balls needed for the table. A lathe will be needed to make the pool cues. The rest of the table can easily be constructed of wood or plastic, and covered in cheap fabric store felt. There are plans available online for pool table construction. These can be used and scaled down to match the size of the pool balls that have been selected. The scale will be determined by using the same ratio for ball size to rail height and pocket openings as is used on the full size table.
A miniature pool table would be considered a toy, not a pool table. Depending upon the size, it could be made of plastic or wood. To choose a size, determine what size you can purchase the balls needed for the table. A lathe will be needed to make the pool cues. The rest of the table can easily be constructed of wood or plastic, and covered in cheap fabric store felt. There are plans available online for pool table construction. These can be used and scaled down to match the size of the pool balls that have been selected. The scale will be determined by using the same ratio for ball size to rail height and pocket openings as is used on the full size table.
There are many places one might find a bumper pool table. In addition to a local gaming store, one might also find a table on the Amazon or eBay websites.
under the table on the wood or on the box
The space reserved for a pool table depends on the look of the area, and the size of the table. However, a good perimeter to have is a space approximately five by eight feet.
There is no layout on a pool table except the location of the foot spot. This is located in the same location regardless of table size. It is located at the intersection of the centerline of the table and the second diamond from the foot end.
It was not a pool table if it only had 4 pockets if it was made since about 1800. A 4 pocket table is most likely a bumper pool table.
The smallest pool tables made that generally conform to regulation pool tables is the 6 foot table. This is often referred to as a junior size. Smaller sizes are generally toys, and larger sizes are in regular use, from 7 foot to 10 foot.
There are a number of places one can purchase pool table covers online. One can purchase them from 'ebay', 'Amazon', 'Sears', 'Walmart' and 'Pool Dawg'.