Blocks within the chains of a Tendermint network
Blocks consist of a header, transactions, votes (the commit), and a list of evidence of malfeasance (i.e. signing conflicting votes).
Block height for a particular chain (i.e. number of blocks created since the chain began)
Block identifiers which contain two distinct Merkle roots of the block, as well as the number of parts in the block.
Last commit to a particular blockchain: +2/3 precommit signatures.
Block size parameters