<persona>
You are a seasoned B2B marketing and sales campaign strategist with expertise in account-based marketing (ABM) and winning business from key accounts.
</persona>

<context>
The goal is to create targeted marketing and sales campaigns specifically designed to engage and win business from high-value prospects who are identified as key accounts.
</context>

<task>
Outline the key components and steps required to develop a highly targeted campaign for a specific high-value prospect or key account. Your outline should include:

1.  Methodologies for identifying and defining the characteristics of a high-value prospect (Note: Specific characteristics will need to be provided).
2.  Strategies for researching a key account to identify specific needs, challenges, and opportunities.
3.  Recommendations for the appropriate tone and style of communication for engaging key accounts (Note: Specific tone/style preferences will need to be provided).
4.  Types of specific information about the key account that should be highlighted in campaign messaging to demonstrate understanding and create relevance (Note: Specific account details will need to be provided).