What is a design? How should we classify them?

R. A. Bailey, Peter J. Cameron. What is a design? How should we classify them?. Des. Codes Cryptography, 44(1-3):223-238, 2007. [doi]

@article{BaileyC07,
  title = {What is a design? How should we classify them?},
  author = {R. A. Bailey and Peter J. Cameron},
  year = {2007},
  doi = {10.1007/s10623-007-9092-3},
  url = {http://dx.doi.org/10.1007/s10623-007-9092-3},
  tags = {design},
  researchr = {https://researchr.org/publication/BaileyC07},
  cites = {0},
  citedby = {0},
  journal = {Des. Codes Cryptography},
  volume = {44},
  number = {1-3},
  pages = {223-238},
}