Digital Marketing has a lot of buzzwords, clunky phrases, and especially three-letter acronyms – so we’ve made a short glossary to help explain some of them…

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There are currently 9 terms in this directory beginning with the letter C.
C
CDN (Content Distribution Network)
A CDN is a geographical network of data centres across the globe can be utilised to serve copies of your website or app locally to improve speed and reliability for your end user.
Chatbot
An automated app on your website that simulates a conversation and provides answers to preprogrammed questions. They can be AI enabled and provide answers based on previous knowledge of that visitor.
Click-through rate (CTR)
A metric that measures the percentage of people who click on a link after seeing it. It is calculated by dividing the number of clicks by the number of impressions (times the link was shown) and multiplying by 100. CTR is commonly used to evaluate the effectiveness of ads, emails, and search engine results—higher CTRs generally indicate more engaging content.
CMS (Content Management System)
A content management system is used on websites to manage the content on the website separately from the design aspects. Making it easier to update your website either content wise or design wise.
Content Marketing
Creating highly relevant and timely content such as articles, videos, infographics to aid SEO and your social media to engage potential clients and drive traffic to your website.
CPA (Cost Per Acquisition)
A metric that measures the total average cost of acquiring a new customer from the first touch point to ultimate conversion.
CPC (Cost Per Click)
The average amount each click on an advert costs the advertiser, based on the number of clicks the ad receives divided by the total amount spent on the ad. Often used in Google Ads.
CRM (Customer Relationship Management)
A CRM system assists the process of using marketing automation solutions to administer interactions that improve how you interact, build relationships and do business with your customers.
CRO (Conversion Rate Optimisation)
CRO is the process of optimising aspects of your website and other digital platforms, to increase the percentage of conversions.