It depends on specific lesson , I can use visual such images, video,or diagrames to help illustrate important concepts or ideas.
I can use headings and subheadings to break up large blocks of text into smaller that means that student can easily find specific information and understand it.
Using bullet points to organise important information it can be useful when presenting key vocabulary or grammar rules.
Using colors stragically to to draw attention to important information,as well as font and font size easy to read such as time new roman , arial, ect .
In conclusion there are different style that will be depends on specific lessons