Keep the parts of a long list clear

1 · Learn

Commas work well for a simple list: 'We packed paper, pens and glue'. A more complex list can contain commas inside each main item. Semicolons can show where one whole item ends and the next begins.

Read: 'We packed three kits: paper, card and glue; pens, pencils and rulers; and clips, folders and labels.' There are three main kits, not nine unrelated kits. The commas organise the contents within each kit, while semicolons separate the kits. The complete introduction 'We packed three kits' leads to a colon.

2 · Worked example

'The speakers were Mina, a gardener; Theo, a librarian; and Jo, an artist.' Each name and description stays together. The list items are noun phrases, so they do not each have to be complete sentences. This differs from using a semicolon to join two independent clauses.

3 · Your turn

Punctuate this list to keep each name with its role: 'We invited three helpers Asha a coach Ben a baker and Lea a nurse'. Explain the job of the colon, commas and semicolons.

4 · Apply your learning

Write a fictional event list with three entries, each containing a name and a role. Then lay the same entries out as bullets. Check that the groups remain clear; explain when the visual line breaks make internal list separators unnecessary.