Landing pages are specifically designed pages on your website that visitors land on (hence the name) when they click an internal or externally-hosted link to an offer.
The landing page is an integral part of the Awareness stage of the Buyer's Journey, when potentital customers know that your business exists but need nurturing (i.e. education content such as white papers, sample reports, etc.) to get to the next stage: Consideration.
Building a landing page is relatively easy: just treat it like another piece of content that you're building out to enhance your brand. Here's our outline on how (and why) you should build landing pages for your content marketing strategy!