docs: error guessing glossary term

Signed-off-by: Abhishek kushwaha <[email protected]>

Author: Abbhiishek

versioned_docs/version-2.0.0/concepts/reference/glossary/error-guessing.md

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+---
+id: error-guessing
+title: Error Guessing
+sidebar_label: Error Guessing
+description: This glossary has an explanation of all the terminologies that beginners find difficult to understand at first glance.
+tags:
+  - explanation
+  - glossary
+keywords:
+  - API
+---
+
+### What is Error Guessing?
+
+Error guessing is an intuitive and experience-based software testing technique that relies on developer and tester's knowledge and creativity to identify potential defects in a system. This method involves anticipating where errors are likely to occur based on past experiences, common programming mistakes, and an understanding of the system's architecture.
+
+
+### Key aspects
+
+Intuition: Testers use their instincts and experience to predict where errors might lurk.
+Domain knowledge: Understanding the application's purpose and typical user behavior helps in identifying potential issues.
+Historical data: Past bugs and common error patterns inform the guessing process.
+Creativity: Testers think outside the box to imagine scenarios that might cause failures.
+
+
+### Benefits
+
+Uncovers unique defects: Can reveal issues missed by systematic testing approaches.
+Cost-effective: Requires minimal setup and can be performed quickly.
+Improves over time: The technique becomes more effective as testers gain experience.
+Adaptable: Can be applied to various types of software and testing phases.
+
+### Challenges
+
+Subjectivity: Relies heavily on individual tester's skills and experience.
+Lack of structure: May not provide comprehensive coverage of all system aspects.
+Difficult to replicate: Success varies between testers and isn't easily standardized.
+Time-consuming: Can be inefficient if not guided by experience or historical data.
+
+### Conclusion
+
+While error guessing is not systematic like other testing methods, it can be highly effective when combined with more structured approaches. It allows testers to explore edge cases and unusual scenarios that might be overlooked by conventional test cases. However, the success of error guessing largely depends on the tester's expertise and familiarity with the system. As such, it's often used as a complementary technique rather than a standalone method in comprehensive testing strategies.