Borrowed from computer software terminology :
If we are to use software as a metaphor for memetics, then as memes build on one another, the abstractions become more amorphous, more fluid, and abstracted, they can increase in complexity.
"As systems become more complex, software developers must rely upon more abstractions."
- Seibel, Peter (1 November 2006). Practical Common Lisp. Apress. p. 96. ISBN 978-1-4302-0017-8.