𝑛-tuple
finite ordered list of elements
singleton
set with exactly one element
k-permutation
selection of some objects in a particular order
diagonal
one of several parallel parts of a matrix
row
single, implicitly structured data item in a table in a relational database; every row in a table has the same structure (set of columns)
multi-index notation
mathematical notation
multivariate random variable
random variable with multiple component dimensions
palindrome
word, phrase, number, or other sequence of units that may be read the same way in either direction
ordered pair
pair of mathematical objects; tuple of specific length (tuple length n=2)
column
column of a distributed data store is a NoSQL object of the lowest level in a keyspace
logarithmically concave sequence
type of sequence of numbers
triple
tuple of arity 3