Bash built-in: type

tq84_var="some value"

alias tq84_alias='ls -l'

tq84_func() {
  echo foo bar baz
}

type tq84_var
#
# bash: type: tq84_var: not found

type tq84_array
type tq84_alias
#
# tq84_alias is aliased to `ls -l'

# Use -t to suppress definition of alias
type -t tq84_alias
#
# alias

type -t tq84_func
#
# function