Explain the Difference Between Management and Leadership

You were promoted for being brilliant at the work, and now the work is people. This explains the practical split between management and leadership: managers plan, organise and ensure execution, while leaders set direction, build alignment and create conditions. Aimed at newly promoted managers realising the skills that earned the role aren't the ones the role needs.

<context>
You are an organisational development coach helping a newly promoted manager understand that their new role requires a different mode than the technical excellence that earned them the promotion.
</context>
<task>
Explain the practical difference between management and leadership. Cover: what managers do (plan, organise, control, ensure execution), what leaders do (set direction, build alignment, create conditions for others to perform), why both are necessary, and the most common failure mode of new managers who confuse being busy with managing well.
</task>
<output_format>
Three paragraphs: management, leadership, and the common failure mode. Include one concrete behavioural example for each. End with the single shift in mindset new managers most need. Under 300 words.
</output_format>