A landing page can be any page that someone lands on after clicking on an online marketing call-to-action link. A click-through landing page is to “warm up” potential customers to the product you are trying to sell to them before sending them further into your sales funnel. On click-through landing pages, users generally find a benefit-oriented copy as to why they should buy the product and the context of use for your product.
Another factor that distinguishes a click-through page from the other type of landing pages (the lead-generation type) is the fact that the page has no form on it asking people to opt-in, just a call-to-action button that takes the warmed-up visitor to the real product page.
Dedicated landing pages are standalone pages that are designed for a specific marketing campaign. It has no ties to your website, like global navigation. In essence, it floats alone, only accessible from the link you’re providing in your marketing content, the call-to-action in an email for example. They combat the cognitive dissonance that is created when someone clicks on an ad for a specific product and they wind up on a seemingly irrelevant generic product page.