explicar una idea

Sometimes you don’t want to add a new idea, but explain better the one you were just talking about. These transition words will help you with that:

es decir – that is, I mean

La comida mexicana es muy interesante. Es decir, me encanta como mezcla diferentes sabores.
Mexican food is very interesting. I mean, I love how it mixes different flavors.  

por ejemplo – for example, for instance

Me gusta mucho tu estilo, por ejemplo esos zapatos están increíbles. 
I like your style a lot, for example those shoes are amazing!

en otras palabras – in other words

En otras palabras, hiciste un gran trabajo. 
In other words, you did a great job. 

así – thus, thereby

Trabajé de mesero y así pude pagar mi universidad. 
I worked as a waiter and thus I could pay my tuition fees. 

If your goal is to be fluent in Spanish, transition words are a crucial area of study. For that reason, it might be a good idea to keep the following list at hand, as you will always need a good transition word to make your speech and writing sound more natural.