To help you look at this post from my blog:
http://mymediacreative.com/blog/2019/04/18/semiotics/

When you study any form of communication (Art, Music, English, Maths, French etc) you need to recognise that there is a LANGUAGE that is full of signs, codes and conventions, organised around a grammar (a set of organising principles).

TASK 1: To investigate Language, let’s try to create one of our own! In one big group create a new sign that represents a new meaning – in other words, a single element of a possibly new complex language. Then in small groups develop 3 more signs (EACH PERSON IN THE GROUP) so that you then have about 15 new signs that form the basis of your new language. Make sure some of your signs are command signs (signs that get people to do things – sit, stand, greet, wave, nod etc)

TASK 2: Once you have developed some basic units of your new language, you will need to teach this new language to another group. Then let’s test the acquisition of this new language as a demonstration – ie communicating to each other in this new language (that is way command signs may be a good basis as we can see students responding based on the use of this new Language).

When we have created a new language through these practical activities we can then start to think about some of the theoretical ideas that underpin our knowledge of LANGUAGE.