Phone technical support refers to a range of services by which enterprises provide assistance to users of technology products such as mobile phones, televisions, computers, software products or other electronic or mechanical goods via telephone.

Social media marketing refers to the process of gaining traffic or attention through social media sites. wikipedia.org

Microsoft Office Word is a word processor designed by Microsoft. wikipedia.org

Recruitment refers to the process of attracting, screening, and selecting a qualified person for a job. All companies in any industry can benefit from contingency or retain professional recruiters or outsourcing the process to recruitment agencies. wikipedia.org

Microsoft PowerPoint, usually just called PowerPoint, is a non-free commercial presentation program developed by Microsoft. It is part of the Microsoft Office suite, and runs on Microsoft Windows and Apple's Mac OS X operating system. wikipedia.org

Microsoft Excel is a proprietary commercial spreadsheet application written and distributed by Microsoft for Microsoft Windows and Mac OS X. It features calculation, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications. wikipedia.org