What is the meaning of serial?

noun

• A serialized set of programs.
  • usage: "a comedy series"; "the Masterworks concert series"
  • synonyms: series
• A periodical that appears at scheduled times.
  • synonyms: series, serial publication

adjective

• In regular succession without gaps.
  • usage: "serial concerts"
  • synonyms: consecutive, sequent, sequential, successive
• Pertaining to or composed in serial technique.
  • usage: "serial music"
• Pertaining to or occurring in or producing a series.
  • usage: "serial monogamy"; "serial killing"; "a serial killer"; "serial publication"
• Of or relating to the sequential performance of multiple operations.
  • usage: "serial processing"
  • synonyms: in series, nonparallel