I am super new on salesforce marketing cloud.
I created a template and it works great.
I am using the visual composer and it allows me to insert code into it, a previously person had added some dynamic fields such as
Some others seems to be static like
when sending the email (someone else does), it replaces username and company name by the right values.
Using salesforce marketing cloud, how can I know where those fields were defined? (I want to change company name)