Every item of core content posted to this website has been classified with a 'post type', as per the list with definitions below.

For a list of the relevant items of content, click / tap on a 'post type'.

= A: Snippet

A very simple post consisting of a short 'snippet' of information (often just one or two sentences) and at least one image.

= B: Snippet with external link

A very simple post consisting of a short 'snippet' of information (often just one or two sentences) and at least one image, PLUS details (with link) of at least one high quality external website for 'further reading'.

= C: Brief introduction

An introductory post consisting of a few short paragraphs, plus at least two images.

= D: Detailed article

A longer and more detailed post, usually with three or more images.