as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
construct a flow chart to explain the process of using a pen
user
flow chart:

start
|
---> select pen
|
---> hold pen
|
---> write the desired text
|
---> end
assistant