Analysing 220 films image after image of over 40 domesticated horses while interacting with humans, has not only lead to studying calming signals, but also to the making of several communication ladders. These ladders show different tension levels and accompanying signals and features of how a horse may respond to stimuli in his environment. Only these signals and features that have been seen 35 times or more in different occasions have been included in the ladders. The ladders will help you recognise the tension level of your horse more easily. It enables you to improve the socialisation, wellbeing and training of your horse for it is easier to recognise, step in and avoid high stress levels.