Definitions

1. Drawing :  Pictorial representation of a structure. This usually consists of two dimensional views such as plan, elevation, X-Sections drawn to scale. 
2. Isometric View: Drawing representing three dimensional of an object/structure. 
3. Plan: A view of structure seen from above. 
4. Elevation :  A view of the structure as seen from any side. It could be a front elevation, side elevation or rear elevation depending on side from which the structure & viewed. 
5. Specifications :  A document accompanying drawings and estimates 1 bill of quantities. They specify the quality and quantity of materials, their proportion; procedure of work, performance characteristics etc. Specifications assist the supervisor and workers in doing the field work. Specifications form an important part of the contract document.
6. Tender: It is an offer bid submitted by an intending contractor to the owner. One of the tenders is accepted by the client. 
7. Contract: This is an agreement between client and contractor. This agreement can be enforced by law. 
8. Contract  Conditions: These are terms which form the basis of execution of the contract work.