It's an ecosystem of CC0-licensed, sourced data input and applications.
Regarding triples, note that Wikidata is not purely a triple store: each statement ("triple") can include qualifiers, which are key-value pairs about the core statement. So you can directly express "Company X made profit Y, in year Z, according to source S" etc.
Regarding triples, note that Wikidata is not purely a triple store: each statement ("triple") can include qualifiers, which are key-value pairs about the core statement. So you can directly express "Company X made profit Y, in year Z, according to source S" etc.