What do the terms on blockchainexplorer mean

Block Hash: Refers to the hash value of this block, which is calculated using a secondary hash based on the parent hash (i.e. block header or uncle block). It is one of the identifiers of a block, which can uniquely identify a block. When you want to view a certain block, you can query it through the block hash. Block hash is a number obtained by performing a secondary hash calculation on the block header.

Block Height: This has been discussed in previous articles. For more information, please refer to What is the block height in the blockchain?

Transactions: Refers to the total number of transactions contained in the block, including both regular transactions and transactions that automatically execute smart contracts.

Block Reward: refers to the number of coins contained in this block.

Size: refers to the block size, not a fixed value, and is related to the number of transactions, but the maximum value for each block is 2M.

Transaction fee: The transaction fee in Ethereum, which is equal to the gas consumed multiplied by the price of gas. The transaction fee is related to the number of bytes occupied by the transaction and is not related to the size of the transfer amount. The transaction fee, also known as the transfer fee, is related to the number of bytes occupied by the transaction and is not related to the size of the transfer amount.

Gas Limit: refers to the maximum amount of gas that can be used in this block. Only when the consumed gas is less than the gas limit (gas p="" limit), can the packaging be successful. Otherwise, it fails and starts from scratch= "

Difficulty in mining: measures the average number of operations required to mine a block, reflecting how long it takes to mine a certain number of blocks at a certain level of difficulty.