We-learned-more-about-the-big-picture-of-financial-analysis

Please answer each question in 200 words maximum:

We learned more about the big picture of financial analysis. What are the main objectives of comparative analysis and why are they important to external users of the financial statements, such as investors?
The more companies that adopt international financial reporting standards, the ability of analysts to compare companies from varying countries will improve. However, varying places interpret IFRS differently. What are the disadvantages of this when it comes to comparison of financial statements using IFRS?
Tell me what you know about financial and managerial accounting. What are some of the main differences in the role of financial accounting and managerial accounting?
In Financial Accounting, financial statements are prepared at the end of the accounting period which is typically one year. Is the time frame the same for managerial accounting?
What is the purpose of the ratios, and, what are some of the other uses for financial statement analysis?
Another important part of financial statement analysis is vertical and horizontal analysis. Can you tell me a little bit about what a horizontal and vertical analysis is?