This will create a good first impression ... concise in your self-introduction. Keep your introduction focused and avoid exaggerating or including unnecessary things. For example “Hi everyone!

In the last you apologise for your letters of introduction to Americans coming ... and it is a matter of comfort to know from a good quarter what they are, & how far I may go in my attentions ...

Recommendation letters can serve as powerful testimonials ... the story behind students to understand them holistically. For example, learning about a creative project a student participated ...

Think about the purpose of your letter and include all the relevant details to help the reader understand the reason for your writing and respond when required. For example: You need to think ...