What Does Mean Of Device?

Definition of device 1 : something devised or contrived: such as. a(1) : plan, procedure, technique a marketing device mnemonic devices. (2) : a scheme to deceive : stratagem, trick. b : something fanciful, elaborate, or intricate in design.
de·​vice | \ di-ˈvīs \

b : something fanciful, elaborate, or intricate in design

c : something (such as a figure of speech) in a literary work designed to achieve a particular artistic effect irony and other literary devices a plot device
e : a conventional stage practice or means (such as a stage whisper) used to achieve a particular dramatic effect

f : a piece of equipment or a mechanism designed to serve a special purpose or perform a special function smartphones and other electronic devices a hidden recording device

3 heraldry : an emblematic design used especially as a heraldic bearing (see bearing sense 4)