gimmick β an ingenious or novel device, scheme, or stratagem, especially one designed to attract attention or increase appeal.
innards β the internal parts of the body; entrails or viscera.
motor β a comparatively small and powerful engine, especially an internal-combustion engine in an automobile, motorboat, or the like.
black box β A black box is an electronic device in an aircraft which records information about its flights. Black boxes are often used to provide evidence about accidents.
means β to have in mind as one's purpose or intention; intend: I meant to compliment you on your work. Synonyms: contemplate.
method β a procedure, technique, or way of doing something, especially in accordance with a definite plan: There are three possible methods of repairing this motor.
agency β An agency is a business which provides a service on behalf of other businesses.
operation β an act or instance, process, or manner of functioning or operating.
process β a systematic series of actions directed to some end: to devise a process for homogenizing milk.
technique β the manner and ability with which an artist, writer, dancer, athlete, or the like employs the technical skills of a particular art or field of endeavor.
execution β The carrying out or putting into effect of a plan, order, or course of action.
functioning β the kind of action or activity proper to a person, thing, or institution; the purpose for which something is designed or exists; role.
performance β a musical, dramatic, or other entertainment presented before an audience.
rule of thumb β a general or approximate principle, procedure, or rule based on experience or practice, as opposed to a specific, scientific calculation or estimate.
fundamentals β serving as, or being an essential part of, a foundation or basis; basic; underlying: fundamental principles; the fundamental structure.
mechanics β a person who repairs and maintains machinery, motors, etc.: an automobile mechanic.
nitty-gritty β the essential substance or details of a matter; basics; crux: Let's skip the chitchat and get down to the nitty-gritty.
interior β being within; inside of anything; internal; inner; further toward a center: the interior rooms of a house.
belly β The belly of a person or animal is their stomach or abdomen. In British English, this is an informal or literary use.
entrails β A person or animal's intestines or internal organs, especially when removed or exposed.
centre β A centre is a building where people have meetings, take part in a particular activity, or get help of some kind.
center β a point equally distant from all points on the circumference of a circle or surface of a sphere
contents β everything that is inside a container
guts β the alimentary canal, especially between the pylorus and the anus, or some portion of it. Compare foregut, midgut, hindgut.
heart β Anatomy. a hollow, pumplike organ of blood circulation, composed mainly of rhythmically contractile smooth muscle, located in the chest between the lungs and slightly to the left and consisting of four chambers: a right atrium that receives blood returning from the body via the superior and inferior vena cavae, a right ventricle that pumps the blood through the pulmonary artery to the lungs for oxygenation, a left atrium that receives the oxygenated blood via the pulmonary veins and passes it through the mitral valve, and a left ventricle that pumps the oxygenated blood, via the aorta, throughout the body.
middle β equally distant from the extremes or outer limits; central: the middle point of a line; the middle singer in a trio.
recesses β temporary withdrawal or cessation from the usual work or activity.
soul β the principle of life, feeling, thought, and action in humans, regarded as a distinct entity separate from the body, and commonly held to be separable in existence from the body; the spiritual part of humans as distinct from the physical part.