Zelda Game Mechanics: #0.2 "Link Says I Collide"

Link Says: "I Collide"

 Link's body has a size of 16x16 pixels, but Link's body overlaps with the blocks in the map:

However, this is not Link's real size, he ocupies the bottom center of the sprite with a size of 10 pixels width and 12 pixels height:

This is not the same to NPC, wich doesn't allow an extra overlapping in the sides:

They have 12 pixels height but width is 16 pixels, (even thought a couple npc's sprites are a little bigger than 16x16)

It's looks like it's the same for monsters: