Discourse organizing – signals the core issue being addressed, helping to clarify or justify a point.

To indicate that what follows is the essential reason behind something, often after presenting a contrary expectation or surprising information.

When responding to criticism, clarifying a difficult decision, explaining why a request cannot be met, or providing a justification for an action or opinion.

Casual spoken conversations, informal emails or letters, and everyday discussions where it's necessary to foreground important information without sounding overly formal.

The thing is

The thing is

A clause describing the core issue or reason, potentially including adverbial phrases like because, since, or explanatory noun/verb phrases.

• because
• since
• although
• despite
• but

• The point is
• The fact is
• That’s the issue

Using the phrase as a filler or inserting unnecessary clauses that do not explain the core reason.

What matters most here is, The bottom line is

Overusing the phrase as a conversational crutch rather than when genuinely introducing an important explanatory point.

• The thing is
• The thing about X is
• What matters most here is

Softens criticism by signaling an important explanation, creating a conspiratorial or exploratory tone without sounding confrontational.

Creates anticipation and engagement in listeners, signaling that valuable information is about to be shared.

Key issue introduction

This chunk is essential for signaling important explanations in casual and informal contexts.

What comes down to is, The crux of the matter is