Minecraft blocks are basic units in this game. Actually, you build whole world with this blocks. Blocks in different combinations are actually Minecraft world. There is 101 different variations of blocks in game.
Every block have 16×16 pixel and its proportionately to one cubic meter. Many blocks are static but some can be moved like water or lava. You can combine different blocks and made new items from it. For that you use furnace, you must put block in it a use fuel to run this “device”.
When you dig blocks you must know which tool to use for it. You cant use axe on sand block or shovel at stone blocks and etc. Check out first tools and blocks types and then use tools wisely. When you combine different blocks you must know that some amount of blocks give a other amount of different products. If you want to make ice you must grab water with bucket and place it into hole and wait for water freezing etc.
There is a lot tutorials about combination and uses of blocks online, at this image you can see all blocks in Minecraft and we will post tutorials in some other article.