A resource to document and standardize aspects of branding, communication, design and marketing by an org; style guides help when an org has multiple members involved in graphic design, content creation or creation of marketing materials to keep things consistent; it might include preferred abbreviations, spelling (is it ebook or e-book, “white paper” or “white-paper” or “whitepaper’), punctuation, or other grammar rules as well as how to use the logo, brand colors, brand fonts, image preferences, the corporate or organizational ‘vernacular’ or tone of voice; give visual examples of what to do, or not do [for examples of good style guides see this post]