abstract entity
entity that does not have a physical existence, including abstract objects and properties
mathematical object
abstract object in mathematics
reasoning
type of thought and capacity of consciously making sense of things, applying logic, and adapting or justifying practices, institutions, and beliefs based on new or existing information
scale
system of reference values for a characteristic
regularity
abstract concept describing something that appears more than once with a certain space or time between the occurrences
fiction
non-representational visualization of things, generic term
social construct
any category or thing that is made real by convention or collective agreement