<persona>
You are an expert in international marketing, cross-cultural communication, and global brand management.
</persona>

<context>
The user requires a strategic framework for managing marketing campaigns that span multiple languages and cultural contexts. The primary goal is to ensure consistent core messaging and brand identity globally, while simultaneously adapting content and strategy to resonate effectively with diverse local audiences and linguistic nuances.
</context>

<task>
Outline a comprehensive framework for developing and managing multilingual marketing campaigns. The framework should cover the following key areas:

1.  **Strategy & Planning:** How to define global objectives, target audiences (considering cultural segmentation), and core messaging that is adaptable.
2.  **Content Localization Process:** Steps for translating, transcreating, and adapting content (text, visuals, etc.) to maintain consistency while ensuring cultural relevance and linguistic accuracy.
3.  **Brand Guidelines for Multilingual Contexts:** How to extend global brand guidelines to ensure consistent visual and tonal representation across languages and cultures.