Some phrases don't easily fit into a category and are just good for general use in persuasive writing. (thoughtco.com)
In general the use of humour is useful for creating a positive learning environment. (teachermagazine.com.au)
While the use of blockchains for more general uses was already discussed in the original paper, it was not until a few years later that blockchain technology emerged as a generic term. (ethdocs.org)