Firmitas - Utilitas -VenustasFirmness; Utility & Delight -these are the three basic purposes architecture must serve as defined by Vitruvius, the ancient Roman architect.Being the mother of all art forms, the creations of an Architect are live testaments of his work which are timeless. No Architect can disown or deny his work.The purpose of this book -Introduction to Architecture- is to act as an initiation to this noble subject for newcomers and simultaneously be a refresher for experienced professionals.A line is not only a line in Architecture. It is a part of a dream. A dream nurtured by the interplay of solids and voids, light and shade, colour and texture, foreground and background against a canvas called Nature.Since the target audience of this book is primarily fresher’s, the contents of the book has been kept plain and simple. The idea is to inculcate the basics of this learning called Architecture and prepare them mentally to take the wonderful challenges in life as successful Architects.